2110021002021 has 8 divisors (see below), whose sum is σ = 2813563312480. Its totient is φ = 1406579679792.

The previous prime is 2110021001999. The next prime is 2110021002101. The reversal of 2110021002021 is 1202001200112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2110021002021 - 2¹⁷ = 2110020870949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110021001988 and 2110021002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110021002521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25198291 + ... + 25281888.

It is an arithmetic number, because the mean of its divisors is an integer number (351695414060).

Almost surely, 2^{2110021002021} is an apocalyptic number.

It is an amenable number.

2110021002021 is a deficient number, since it is larger than the sum of its proper divisors (703542310459).

2110021002021 is a wasteful number, since it uses less digits than its factorization.

2110021002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50494115.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2110021002021 its reverse (1202001200112), we get a palindrome (3312022202133).

The spelling of 2110021002021 in words is "two trillion, one hundred ten billion, twenty-one million, two thousand, twenty-one".